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3130021233 = 32347780137
BaseRepresentation
bin1011101010010000…
…0101010101110001
322002010200112221100
42322210011111301
522402241134413
61234331115013
7140364512223
oct27244052561
98063615840
103130021233
1113668a7309
127342a2a69
133ab609891
142199b0413
15134bc8a73
hexba905571

3130021233 has 6 divisors (see below), whose sum is σ = 4521141794. Its totient is φ = 2086680816.

The previous prime is 3130021229. The next prime is 3130021273. The reversal of 3130021233 is 3321200313.

It can be written as a sum of positive squares in only one way, i.e., 2130007104 + 1000014129 = 46152^2 + 31623^2 .

It is not a de Polignac number, because 3130021233 - 22 = 3130021229 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3130021273) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 173890060 + ... + 173890077.

Almost surely, 23130021233 is an apocalyptic number.

It is an amenable number.

3130021233 is a deficient number, since it is larger than the sum of its proper divisors (1391120561).

3130021233 is a wasteful number, since it uses less digits than its factorization.

3130021233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 347780143 (or 347780140 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

The square root of 3130021233 is about 55946.5926844522. The cubic root of 3130021233 is about 1462.7914993798.

Adding to 3130021233 its reverse (3321200313), we get a palindrome (6451221546).

The spelling of 3130021233 in words is "three billion, one hundred thirty million, twenty-one thousand, two hundred thirty-three".

Divisors: 1 3 9 347780137 1043340411 3130021233